Here's what rhymes with consternation.
                        
                        
                    
                                nation  combination  confirmation  estimation  automation  conformation  constellation  constipation  consummation  damnation  donation  stagnation  summation  aeration  information  education  formation  generation  conversation  duration  imagination  station  compensation  conservation  motivation  taxation  violation  agitation  condemnation  confrontation  destination  domination  inflammation  installation  medication  meditation  nomination  notation  plantation  temptation  termination  vegetation  affirmation  animation  compilation  condensation  consolation  fascination  habitation  modulation  narration  negation  ordination  starvation  alternation  appellation  cancellation  divination  germination  intimation  intonation  masturbation  oration  perforation  sedation  ablation  adulation  conjugation  convocation  defamation  detonation  dilation  operation  relation  situation  application  concentration  creation  explanation  foundation  location  observation  separation  transformation  translation  variation  activation  adaptation  admiration  deviation  elevation  indication  inflation  innovation  inspiration  isolation  migration  obligation  rotation  salvation  sensation  transportation  alienation  allocation  aspiration  computation  congregation  consultation  contemplation  coordination  decoration  delegation  designation  dissertation  fixation  hesitation  imitation  inclination  irrigation  navigation  oxidation  saturation  vacation  ventilation  vibration  annihilation  approbation  assassination  authorization  aviation  causation  cessation  complication  dedication  derivation  desolation  dilatation  distillation  federation  fermentation  insulation  ionization  litigation  maturation  mediation  moderation  modernization  mutation  oscillation  probation  reformation  toleration  validation  veneration  vocation  aberration  adoration  allegation  amputation  bifurcation  citation  commendation  confiscation  conflagration  connotation  consecration  coronation  culmination  dispensation  escalation  gestation  hydration  inhalation  innervation  invocation  iteration  ovulation  perspiration  perturbation  sanitation  subjugation  urbanization  vaccination  vindication  visitation  population  consideration  examination  association  circulation  corporation  determination  integration  investigation  legislation  occupation  preparation  presentation  radiation  reputation  calculation  correlation  cultivation  declaration  exploration  immigration  invitation  liberation  limitation  modification  preservation  realization  restoration  revelation  stimulation  acceleration  accommodation  alteration  assimilation  celebration  consolidation  contamination  deformation  degeneration  degradation  elimination  emancipation  frustration  illumination  implication  indignation  initiation  irritation  penetration  proclamation  propagation  quotation  regeneration  reservation  resignation  respiration  segregation  simulation  speculation  valuation  accusation  affiliation  aggregation  annexation  attenuation  calibration  certification  denomination  deprivation  desperation  dissemination  dissipation  emigration  evaporation  excavation  expiration  fabrication  filtration  incarnation  mobilization  notification  optimization  polarization  replication  retardation  subordination  transplantation  adjudication  affectation  amalgamation  authentication  calcification  capitulation  castration  conciliation  confederation  delineation  demarcation  deputation  devastation  elongation  emulation  enumeration  eradication  exclamation  extermination  fertilization  fibrillation  implantation  imputation  interpolation  magnetization  menstruation  prolongation  provocation  punctuation  recitation  reclamation  renovation  reparation  revocation  sedimentation  segmentation  stipulation  ulceration  usurpation  organization  communication  civilization  classification  cooperation  evaluation  publication  regulation  appreciation  configuration  demonstration  differentiation  expectation  exploitation  formulation  illustration  justification  organisation  orientation  anticipation  approximation  arbitration  collaboration  continuation  excitation  manifestation  manipulation  negotiation  qualification  recreation  relaxation  utilization  amplification  civilisation  coagulation  colonization  deliberation  dislocation  dissociation  elaboration  evacuation  exaggeration  fragmentation  graduation  gratification  humiliation  importation  incubation  infiltration  irradiation  privatization  ratification  realisation  retaliation  socialization  sophistication  specialization  stabilization  unification  verification  abbreviation  augmentation  capitalization  categorization  crystallization  dehydration  denunciation  deportation  duplication  elucidation  exaltation  exhortation  exportation  fluctuation  gravitation  hybridization  immunization  inactivation  inauguration  inoculation  instrumentation  interrogation  intimidation  magnification  mortification  ornamentation  quantification  refutation  regurgitation  relocation  standardization  sterilization  supplementation  utilisation  interpretation  participation  representation  accumulation  discrimination  implementation  appropriation  characterization  depreciation  deterioration  documentation  incorporation  precipitation  proliferation  recommendation  reconciliation  registration  rehabilitation  specification  articulation  clarification  disintegration  generalization  globalization  intoxication  localization  multiplication  preoccupation  pronunciation  purification  remuneration  signification  stratification  argumentation  centralization  deregulation  devaluation  liquidation  nationalization  normalization  personification  polymerization  refrigeration  renunciation  repudiation  resuscitation  simplification  synchronization  visualization  administration  identification  experimentation  liberalization  reorganization  conceptualization  democratization  diversification  hospitalization  intensification  rationalization  industrialization  decentralization  excommunication  misrepresentation  Words that almost rhyme with consternation
occasion  haven  basin  hasten  invasion  persuasion  evasion  equation  maiden  taken  pagan  shaken  awaken  bacon  laden  layman  laymen  shaman  undertaken  patron  contagion  straighten  mistaken  salesman  forsaken  overtaken  statesman  tradesmen